Periodic choreography

Yarn

Orbit: a long looping path that builds into a dense yarn-like pattern.

Status: Li and Liao [6] list this among seven original planar cases that become non-periodic after a long enough interval.

Source: [3] 15-decimal Yarn condition; p1 = 0.559064247131347, p2 = 0.349191558837891, T = 55.5017624421301. Open the high-precision condition note